I came across a study that suggest 30% of Americans don't wash their hands after using a public restroom. That's just plain nasty!  The good news is that 70% say they always wash their hands, however 57% of those don't wash long enough.The Center for Disease Control and Prevention recommends you wash for twenty seconds, the length of the happy birthday song.  So if you're in a public restroom and you hear someone singing at the sink it would be safe to shake their hand!

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